scripts: remove . from $PATH
Add CT_SanitizePath function which removes entries referring to ., /tmp
and non-existing directories from $PATH, and call it early in the
build script.
If . is in PATH, gcc-4.4.4 build breaks:
[ALL ] checking what assembler to use...
/tmp/build/targets/arm-unknown-linux-uclibcgnueabi/build/gcc-core-static/arm-unknown-linux-uclibcgnueabi/bin/as
...
[ALL ] config.status: creating as
i.e. "as" is supposed to be the arm-unknown-linux-uclibcgnueabi cross assembler,
but config.status creates a local "as" script which is calling the
host assembler.
Signed-off-by: Johannes Stezenbach <js@sig21.net>
[Yann E. MORIN: style fixes + explanations]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 20dd8cef1c8adff0aa3e78ae6d7acfbc45ed5a83)
5 do_companion_tools_m4_get() {
6 CT_GetFile "m4-${CT_M4_VERSION}" \
7 {ftp,http}://ftp.gnu.org/gnu/m4
10 do_companion_tools_m4_extract() {
11 CT_Extract "m4-${CT_M4_VERSION}"
12 CT_Patch "m4" "${CT_M4_VERSION}"
15 do_companion_tools_m4_build() {
16 CT_DoStep EXTRA "Installing m4"
17 mkdir -p "${CT_BUILD_DIR}/build-m4"
18 CT_Pushd "${CT_BUILD_DIR}/build-m4"
21 "${CT_SRC_DIR}/m4-${CT_M4_VERSION}/configure" \
22 --prefix="${CT_TOOLS_OVERIDE_DIR}"
24 CT_DoExecLog ALL make install